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Find the World's Best Unix Freelancers

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Kyrylo P. - C/C++ Software Engineer & Architect

Kyrylo P.

C/C++ Software Engineer & Architect

$36/hr
614 hours
Ukraine
100% JOB SUCCESS
“I liked working with Kyrylo very much. His technical ability, his patience and his professionalism made this project to be delivered successfully. I'm very pleased with his work.”
  • Video Streaming
  • C
  • C++
  • Unix
  • Qt
Josep E. - Ruby on Rails and Full Stack Web Developer

Josep E.

Ruby on Rails and Full Stack Web Developer

$75/hr
61 hours
Spain
New to Upwork
  • Ruby
  • Ruby on Rails
  • jQuery
Feliks B. - full stack web-developer

Feliks B.

full stack web-developer

$66.67/hr
2,087 hours
Ukraine
100% JOB SUCCESS
“Felix is an incredible developer! He works hard and passionately, always striving for perfection. He understands our project in detail, communicates well, and often recommends...”
  • Ruby on Rails
  • Backbone.js
Vitalii H. - iOS developer

Vitalii H.

iOS developer

$27.78/hr
437 hours
Ukraine
100% JOB SUCCESS
“Vitalii and Onlinico company are one of the biggest professionals I've worked with. They are extremely reliable, it's fun to work with them. Vitalii is a great developer with...”
  • iOS Development
  • Swift
chinmay s. - Expert yii  Cakephp wordpress codeignitor Developer

chinmay s.

Expert yii Cakephp wordpress codeignitor Developer

$15/hr
140 hours
India
100% JOB SUCCESS
“I had a great experience working which Chinmay. He was very helpful and communicative. Great response time from him and was able to reach him even after hours and weekends.”
  • WordPress
  • Yii
  • CodeIgniter
Amio K. - Rockstar Manual QA Tester (Web & Mobile)

Amio K.

Rockstar Manual QA Tester (Web & Mobile)

$11.11/hr
6,112 hours
Bangladesh
100% JOB SUCCESS
“well done”
  • Software Testing
Md M. - WordPress Developer

Md M.

WordPress Developer

$16.67/hr
1,249 hours
Bangladesh
100% JOB SUCCESS
“super amazing! great guy to work with. Does whatever it takes to get the job done and more. Highly recommend.”
  • WordPress
  • PHP
  • XHTML
  • HTML5
Shiv A. - Expert in  Data Analytics with Web Scraping

Shiv A.

Expert in Data Analytics with Web Scraping

$35/hr
94 hours
India
100% JOB SUCCESS
“Thank you for your great effort Shiv. He is a great developer, fast adapting, organised and reliable. We are very satisfied with the work and we are looking forward to working...”
  • Data scraping
  • Python
  • C#
  • PHP
Pravesh Y. - Web Developer with 3+ year experience

Pravesh Y.

Web Developer with 3+ year experience

$7.67/hr
680 hours
India
100% JOB SUCCESS
“Very good communicator, follows instructions and great web development.”
  • PHP
  • WordPress
  • HTML
  • HTML5
  • CSS
Mikhail G. - C# and WPF developer

Mikhail G.

C# and WPF developer

$20/hr
483 hours
Russia
100% JOB SUCCESS
“As usual, another job has been successfully completed and promptly delivered. It's always a real pleasure working with Mikhail.”
  • C#
  • .NET Framework
Muhammad W. - PHP/Mysql Programmer

Muhammad W.

PHP/Mysql Programmer

$12.22/hr
418 hours
Pakistan
100% JOB SUCCESS
“Waqas is full of all traits required of an excellent contractor. Among them are great communication skills, a willingness to take initiative, outstanding technical knowledge,...”
  • PHP
  • MySQL Administration

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Back-End Technology: The Role of the Back-End Web Developer

Your website or dynamic web application is a sum of layers—structure, design and content, and functionality. The technology and programming that “power” a site—what your end user doesn’t see but what makes the site run—is called the back end. Consisting of the server, the database, and the server-side applications, it’s the behind-the-scenes functionality—the brain of a site. This is the ecosystem of the database manager and the back-end developer.

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